@misc{indiciaec2de3f8ddffe,
  title = {Sleep Environment Recommendations for Future Spaceflight Vehicles},
  author = {Flynn-Evans, Erin E. and Caddick, Zachary A. and Gregory, Kevin},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20170001764},
  note = {Source identifier: 20170001764}
}